DK0607958T3 - Rock drills - Google Patents
Rock drillsInfo
- Publication number
- DK0607958T3 DK0607958T3 DK94100784T DK94100784T DK0607958T3 DK 0607958 T3 DK0607958 T3 DK 0607958T3 DK 94100784 T DK94100784 T DK 94100784T DK 94100784 T DK94100784 T DK 94100784T DK 0607958 T3 DK0607958 T3 DK 0607958T3
- Authority
- DK
- Denmark
- Prior art keywords
- cutting tip
- rock drills
- main cutting
- main
- image
- Prior art date
Links
- 239000011435 rock Substances 0.000 title abstract 2
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/58—Chisel-type inserts
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Steroid Compounds (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
In a rock drill bit (10), at least one secondary cutting tip (20, 22) is provided in addition to a main cutting tip (16). The secondary cutting tip (20, 22) extends essentially parallel to and in particular at a slight angle to the main cutting tip and is arranged offset from the main cutting tip. <IMAGE>
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4301708A DE4301708C2 (en) | 1993-01-22 | 1993-01-22 | rock drill |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0607958T3 true DK0607958T3 (en) | 1998-10-26 |
Family
ID=6478737
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK94100784T DK0607958T3 (en) | 1993-01-22 | 1994-01-20 | Rock drills |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0607958B1 (en) |
AT (1) | ATE169987T1 (en) |
DE (2) | DE4301708C2 (en) |
DK (1) | DK0607958T3 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19653155C1 (en) * | 1996-12-19 | 1998-07-09 | Drebo Werkzeugfab Gmbh | Rock driller |
DE19724373A1 (en) * | 1997-06-10 | 1998-12-17 | Hilti Ag | Rock drill |
DE19860528B4 (en) * | 1998-12-30 | 2006-12-07 | Robert Bosch Gmbh | Rock drills for hammer drills |
DE19916975A1 (en) | 1999-04-15 | 2000-10-19 | Hilti Ag | Rock drill |
DE19942987A1 (en) | 1999-09-09 | 2001-03-15 | Hilti Ag | Drilling tool |
DE10360707A1 (en) * | 2002-12-19 | 2004-07-08 | Hawera Probst Gmbh | Rock drill used e.g. in hammer drills for drilling rock comprises a drill head having at its end a trapezoidal or X-shaped receiving groove for a cutting element |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE757076C (en) * | 1936-11-18 | 1951-05-15 | Erhard Dipl-Ing Bertl | Rock percussion drill with radial and eccentrically aligned carbide cutting edges |
GB530113A (en) * | 1939-05-30 | 1940-12-05 | Erhard Bertl | Improvements relating to percussive drilling bits |
CH272188A (en) * | 1948-01-14 | 1950-12-15 | Sandvikens Jernverks Ab | Push drill bit with at least two carbide cutting inserts. |
FR986125A (en) * | 1948-05-13 | 1951-07-27 | Boehler & Co Ag Geb | Tungsten carbide cutting tool bit |
DE918741C (en) * | 1949-09-03 | 1954-10-04 | Boehler & Co Ag Geb | Rock drill with single or multiple cutting edges |
DE3820695C2 (en) * | 1988-06-18 | 1996-07-25 | Hawera Probst Kg Hartmetall | Rock drill |
-
1993
- 1993-01-22 DE DE4301708A patent/DE4301708C2/en not_active Expired - Fee Related
-
1994
- 1994-01-20 DK DK94100784T patent/DK0607958T3/en active
- 1994-01-20 AT AT94100784T patent/ATE169987T1/en active
- 1994-01-20 DE DE59406700T patent/DE59406700D1/en not_active Expired - Fee Related
- 1994-01-20 EP EP94100784A patent/EP0607958B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE4301708C2 (en) | 2002-10-31 |
DE59406700D1 (en) | 1998-09-24 |
DE4301708A1 (en) | 1994-07-28 |
ATE169987T1 (en) | 1998-09-15 |
EP0607958B1 (en) | 1998-08-19 |
EP0607958A1 (en) | 1994-07-27 |
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